Before changing or adding something in the Windows Registration Editor I recommend that you make a backup. If you are not aware on how to do that maybe the blog
post of mine can help you:
Always have a backup ^_^ ...

...which ports are required to be open?
Often asked is which ports are required to open and why. The following table provides an overview of the standard ports that are relevant to work with SDL Trados GroupShare 2017:
Port number
For...

With SDL Trados GroupShare 2017 it is required to set a SPN for the service account running the GroupShare Services. (See also: Windows Authentication, GroupShare and the requirement of setting a Service Principal Name )
This is required in o...

What is Service Principal Name?
I would be explaining it here, however, I think the best information source in this case is still Microsoft itself:
Microsoft Developer Network - Service Principal Name
...

Before changing or adding something in the Windows Registration Editor I recommend that you make a backup. If you are not aware on how to do that maybe the blog post of mine can help you:
Always have a backup ^_^ of your Windows Registry
...